Gas-producer.



PATENTED APR. 1'7, 1906.

P G. HOBART GAS PRODUOER.

APPLIOATION I'ILED APR.19,1905.

14! THIESSEG 5% W M 1% ,zzzzzhw UNITE I sra'rns ra'rns'r orsron FRANKLIN (Jr. HOBART, OF BELOIT, \VISOONSIN, ASSIGNOR TO FAIRBANKS,

MORSE & COMPANY, OF CHICAGO, ILLINOIS, A CORPORATION OF ILL I GAS-PRODUCER.

Patented April 17, 1906.

To all whom it may concern:

rizer therefor.

It is essential to the successful operation of a suction gasproducer that the vaporizer should be suliiciently heated to produce a vapor of the requisite degree of saturation. To

secure suilicient heat and at the same time locate the vaporizer where it will not interfere with the passage of .the hot gases from the producer is the object of my invention.

My invention consists in the construction and arrangement of parts, as will be more fully hereinafter described, and set forth in the claims.

In the drawing I have shown a vertical section through the producer with the upper part of the magazine and the central part of the producer cut away. v

A is what I shall call the producer and is preferably cylindrical and of the usual construction. As this is not embodied in my invention, I shall not further describe it. On this -roducer I attach the Va orizer B, preferab y in the form of an annu ar casing forming the annular chamber C. Through one ortion of the chamber passes the conduit D eading to the scrubber or other part of the producer, and in the top of the chamber O is the air-inlet E and the water-inlet F. The top O of the annular casing is preferably formed in a separate piece from and suitably attached to the casing. formed integral with the magazine K and may have the extension of the magazine formed integral or separate and attached, as

clearly shown in the drawing.

In the to 3 of the vaporizer-casing, and prefcrably at the opposite side from theinlets, I )lace the air and vapor outlet conduit G. This conduit passes down and enters the prod ucer below the grate-bars H, and hence the suction through the producer will draw air and vapor from the va 'iorizer through the This top may be conduit. By means of the check-valve G, pivoted at P in the conduit, I prevent the gas from passing back through the vaporizer whenever the pressure in the producer is above the atmospheric pressure, as in case of an explosion or when a blower is in operation .in starting the producer. This check-valve consists simply of a plate G, hanging loose by gravity on a hinge or pivot P. The plate therefore offers little or no resistance to the passage of air or vapor, but closes immedi ately when a current of air starts back from the producer.

\ At the point of desired water-level in the vaporizer I attach the overflow-pipe I, which may be connected to the waste-pipe,- and it is and outlet conduits of the vaporizer may be tron.

Above the vaporizer I arra go the magaprojecting substantially throhghthe center as clearly shown in the drawing. The inner the ribs L, projecting into the space between the vaporizer and the extension of the magazine. The fuel is thus held away from the vaporizer by the extension of the magazine, and the intervening space is left free for the heated gas from the producer. The ribs L are thus in the path of this gas, while not obstructing its passage, and collect suliicient heat for a successful operation of the vaporizer. I have shown these ribs substantially vertical; but it is obvious that I may construct them inany desired form for collecting the heat.

The magazine may be of any of the forms known to those skilled in the art, and as this is not embodied in my invention I shall not further describe it. The extension of the magazine is preferably tubular and of the usual well-known funnel shape.

With the above-described construction the vaporizer and magazine form the top of the producer and may be attached thereto by bolts or by any other convenient means. The vaporizer is heated without obstructing the passage of the gas or the operation of the magazine. The volume of water in the vapobvious that this overflow-pipe and the inlet connected thereto at any desired point withe out departing from the scope of my invenorizer is kept uniform, and vapor containing zine K of any desired form wit an extension of the annular casing and spaced therefrom,

side of the vaporizer-casing I provide with 4 stantly fed to the prodneer.

it is always found to he of advantage and when using many fuels a'i'ieolutely neeessary to have means for agi ing the incl 'roin above. On. this aoeoun't'i have provided one or more poker-holes M at the top of the annular ehainher surrounding the magazine, and in orderto prevent the inlet oi: air or iii outflow of gas l close the nols by some suitable device, such as the (iii'}ii11i-Ii0 ally perforated hail valves N, ai clearly shown in the drawing. By this location of the poker-holes a bar may he inserted to reach every part oi the fire.

Having thus described my invention, what I desire to claim is l. in a gas-producer. the combination with a magazine, of an annular vaporizer sun rounding the lower end. of said nnigazine, and spaced therefrom, and a top fo said vaporlzer extending inwardly over the said space i l l 1 i l g l i i and connected to said magazine, said top raving apertures opening into said. rizer, and valved poker-holes opening the space between saidvinagazineand 've. rizer, for the purpose described.

2. in a gas-producer, theeoinhinei a inagazaineeof an annular. vapori ronndinathe lower end of said magnet spaced therefrom, ribs on said vaporiz-r projecting into said space, and a top for said vaporizer bridging said. space and. connected to said nia 'azine and having aper' onening into said vaporizer, and Wired pokerholes [opening into the space between said n'iagezino and vaporizer, for the purpose described.

in testimony whereof I aiiix in signature in presence of two Witnesses.

FRANKLlN G. l i'Oi-h' 

